https://www.khanacademy.org/science/organic-chemistry/aromatic-compounds/electrophilic-aromatic-substitution/v/halogenation-of-benzene-1 2021-03-22T03:07:32Z Aromatic halogenation The halogenation of benzene. Jay video https://cdn.kastatic.org/googleusercontent/GcLvdDtffp2w6pO-prHrh2V621qhXSAdWqqKcyfvBcrR49SNCZx_BVsDlZNzCoYcdR1ijDvd0CfCAnlWSh1ofeQ Aromatic halogenation The halogenation of benzene. https://cdn.kastatic.org/ka-youtube-converted/3cVSSiuiwsQ.mp4/3cVSSiuiwsQ.mp4 520 Reactivity, mechanisms, and synthesis of Halogenoalkanes and Halogenoarenes https://www.khanacademy.org/science/organic-chemistry/substitution-elimination-reactions/sn1-sn2-tutorial/v/sn1-vs-sn2-summary 2020-07-30T13:23:33Z Sn1 vs Sn2: Summary Summary of Sn1 and Sn2 reactions and the types of molecules and solvents that favor each. Jay video https://cdn.kastatic.org/googleusercontent/Ptezk-TWYqnotHV98k6rgOQ-XBVO0tHJhdvvytSo-Z2Q7O0A_wufKYZM8Qcrmnz6ykc8vr5WZJMpvC3RYu1oCfn5 Sn1 vs Sn2: Summary Summary of Sn1 and Sn2 reactions and the types of molecules and solvents that favor each. https://cdn.kastatic.org/ka-youtube-converted/wCspf85eQQo.mp4/wCspf85eQQo.mp4 834 Reactivity, mechanisms, and synthesis of Halogenoalkanes and Halogenoarenes https://www.khanacademy.org/science/organic-chemistry/substitution-elimination-reactions/sn1-sn2-e1-e2-jay/v/sn1-sn2-e1-e2-reactions-secondary-alkyl-halides 2021-03-22T03:07:31Z Elimination vs substitution: secondary substrate Examining which types of reactions secondary alkyl halides can undergo. Jay video https://cdn.kastatic.org/googleusercontent/kyUkwBV1-CQ10JkP6ZIozfDZwVrWeoZnH9FoSkJSG-EtSnZ3P0MogCg3zIs5YvMIHWaUvEqtIHg2WBGq1mFYdN01 Elimination vs substitution: secondary substrate Examining which types of reactions secondary alkyl halides can undergo. https://cdn.kastatic.org/ka-youtube-converted/vFSZ5PU0dIY.mp4/vFSZ5PU0dIY.mp4 739 Reactivity, mechanisms, and synthesis of Halogenoalkanes and Halogenoarenes https://www.khanacademy.org/science/organic-chemistry/substitution-elimination-reactions/sn1-sn2-e1-e2-sal/v/e2-e1-sn2-sn1-reactions-example-2 2021-03-31T16:14:54Z E2 E1 Sn2 Sn1 reactions example 2 E2 E1 Sn2 Sn1 Reactions Example 2 Sal Khan video https://cdn.kastatic.org/googleusercontent/L7KC_nPO8dfxys2HyVsImpTiB5cq84-C2PGrlUI2t53SqRGi-RfFgo-B1ARDaO6g859d84rrYt0IQ5vd1d37ftg8Sw E2 E1 Sn2 Sn1 reactions example 2 E2 E1 Sn2 Sn1 Reactions Example 2 https://cdn.kastatic.org/ka-youtube-converted/vinEPfrqfiU.mp4/vinEPfrqfiU.mp4 186 Reactivity, mechanisms, and synthesis of Halogenoalkanes and Halogenoarenes https://www.khanacademy.org/science/organic-chemistry/alkenes-alkynes/synthesis-alkynes/v/synthesis-using-alkynes 2021-03-22T03:07:31Z Synthesis using alkynes Using a flowsheet showing different reactions of alkanes, alkenes, and alkynes to solve an organic synthesis problem. Jay video https://cdn.kastatic.org/googleusercontent/ziGAA0K85HNaGvgvwoKrJUjVFYarVd9VxmVjLFynoHgDSlSSySwAqwqZXyy8lgs6jIsi4Sdr6mnX_xTex9j87P-n Synthesis using alkynes Using a flowsheet showing different reactions of alkanes, alkenes, and alkynes to solve an organic synthesis problem. https://cdn.kastatic.org/ka-youtube-converted/Rc1CezZgggM.mp4/Rc1CezZgggM.mp4 709 Reactivity, mechanisms, and synthesis of Halogenoalkanes and Halogenoarenes https://www.khanacademy.org/science/organic-chemistry/substitution-elimination-reactions/sn1-sn2-e1-e2-sal/v/comparing-e2-e1-sn2-sn1-reactions 2021-03-31T16:14:54Z Comparing E2, E1, Sn2, Sn1 reactions Comparing E2 E1 Sn2 Sn1 reactions Sal Khan video https://cdn.kastatic.org/googleusercontent/7z5JhW231dWlT-DnOQfYV78Y_fyv8nAeUCTnlDdjloh8wzZwNPHH3XiyI0db3x0_NuGc5QCzTDrP3ygOiyxeZXc Comparing E2, E1, Sn2, Sn1 reactions Comparing E2 E1 Sn2 Sn1 reactions https://cdn.kastatic.org/ka-youtube-converted/12Rvts2NR7M.mp4/12Rvts2NR7M.mp4 746 Reactivity, mechanisms, and synthesis of Halogenoalkanes and Halogenoarenes https://www.khanacademy.org/science/grade-12-chemistry-snc-aligned/x7a43e770fc9e15cf:hydrocarbons/x7a43e770fc9e15cf:reaction-mechanisms-of-aromatic-hydrocarbons-electrophilic-aromatic-substitution-and-related-reactions/e/halogenation-of-benzene 2026-04-07T22:23:57.656416987Z Halogenation of benzene Let's solve a few problems to understand how the formation of halo-benzenes occurs. Aanchal Arora exercise https://www.khanacademy.org/science/telangana-class-12-chemistry/x50160c6c142df488:haloalkanes-and-haloarenees/x50160c6c142df488:preparation-of-haloarenes/e/preparation-of-haloarenes 2025-06-12T08:44:27.058344977Z Preparation of haloarenes Let's test our understanding of the various methods in which haloarenes can be prepared. Nidhi exercise https://www.khanacademy.org/science/telangana-class-12-chemistry/x50160c6c142df488:haloalkanes-and-haloarenees/x50160c6c142df488:chemical-reactions-of-haloarenes/e/reactions-of-haloarenes 2026-04-08T00:54:09.631945657Z Reactions of haloarenes (Summary) Let's solve a few questions of the various reactions undergone by haloarenes. Revathi exercise https://www.khanacademy.org/science/telangana-class-12-chemistry/x50160c6c142df488:haloalkanes-and-haloarenees/x50160c6c142df488:chemical-reactions-of-haloarenes/e/nucleophilic-aromatic-substitution-in-haloarenes 2025-06-28T10:38:14.696579446Z Nucleophilic aromatic substitution in haloarenes We will learn about low reactivity of haloarenes towards nucleophilic substitution. Nidhi Narwal exercise https://www.khanacademy.org/science/organic-chemistry-essentials/x1918b84b5bb1f2e6:free-radical-reactions/x1918b84b5bb1f2e6:halogenation-of-alkanes/e/halogenation-of-alkanes 2026-04-08T01:15:04.085520103Z Halogenation of alkanes We will explore more on the free radical halogenation of alkanes such as the selectivity of chlorination vs bromination, what major products are obtained in each of these and what factors affect their formation etc. Revathi exercise https://www.khanacademy.org/science/grade-12-chemistry-snc-aligned/x7a43e770fc9e15cf:halogenoalkanes/x7a43e770fc9e15cf:reactivity-mechanisms-and-synthesis-of-halogenoalkanes-and-halogenoarenes/e/deciding-sn1-sn2-e1-e2-part-ii 2026-04-07T23:36:17.218592739Z Deciding SN1/SN2/E1/E2 - Part (I) Let's look at a few more examples to see what factors determine whether the reaction undergoes SN1/SN2/E1/E2. Revathi exercise https://www.khanacademy.org/science/telangana-class-12-chemistry/x50160c6c142df488:haloalkanes-and-haloarenees/x50160c6c142df488:preparation-of-haloalkanes/e/methods-of-preparation-of-haloalkanes 2026-04-08T00:16:02.937952483Z Summary: Methods of preparation of haloalkanes Let's solve this exercise that discusses the various methods by which haloalkanes can be prepared. Revathi exercise https://www.khanacademy.org/science/grade-12-chemistry-snc-aligned/x7a43e770fc9e15cf:halogenoalkanes/x7a43e770fc9e15cf:reactivity-mechanisms-and-synthesis-of-halogenoalkanes-and-halogenoarenes/e/substitution-vs-elimination 2026-04-07T22:23:57.656416987Z Substitution vs. elimination Let's practice problems to differentiate between a nucleophilic substitution and an elimination reaction. Ishani Rathore exercise